The cathode filament is heated to a temperature of ______ in case of Electron beam machining Select one: a.1200°C b.A. 2500°C c.A. 2000°C d.1700°C
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Answer:
2500℃
Explanation:
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Answer:
b.A.2500
2500 2500 2500 2500 2500 2500
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